Screenwriter Diablo Cody, best known for writing the popular indie flick Juno, is now the proud mother of a baby boy. Son MarcelloDaniel was born on Tuesday, July 27 and weighed seven pounds, two ounces. He’s the first child for Cody and hubby Daniel Maurio. She announced the good news via Twitter.

Did you catch all the baby news this week? Check out our weekly wrap-up to make sure you’re up-to-date on who’s expecting, welcoming and naming!

Juno screenwriter Diablo Cody (aka, Brook Busey) recently confirmed that she and husband Dan are expecting their first. With all the teenage female angst she’s written about, Cody may well be hoping for a boys!

Dawson’s all grown up! Dawson’s Creek alum James Van Der Beek and his girlfriend, Kimberly Brook, are expecting their first baby this fall.

Former LA Sparks star Lisa Leslie and her husband, Michael Lockwood, welcomed their second child on April 6th. MichaelJoseph Lockwood II (who’ll go by MJ) weighed 7 pounds, 13 ounces and was 21.5 inches long. MJ is the first boy in an until-now all-girl family. Big sister LaurenJolie (2.5 years) will make a great playmate, while Mikaela (15) and Gabrielle (18) — Lockwood’s children from a previous marriage — might come in handy as babysitters.

Seriously, Grey’s Anatomy writers might need to write a nanny into the script. Joining an ever-lengthening list of Grey‘s moms, Jessica Capshaw recently announced that she and husband Christopher Gavigan are expecting their second child later this year. The couple are already parents to 2.5-year-old son Luke.

Sugar Ray singer Mark McGrath may be singing about how sweet life is. In addition to recently becoming engaged to long-time girlfriend Carin Kingsland, McGrath also learned that he’s going to be a first-time dad! The couple are expecting fraternal twins in May.

From a pregnant teenager to a possessed teenager, Diablo Cody‘s imagination has been making headlines in Hollywood (that’s Juno and Jennifer’s Body, in case you’re wondering). This time, however, she’s making headlines of her own. The screenwriter — whose real name is Brook Busey — recently confirmed via Twitter that she and her husband, Dan, are expecting. While waiting for their first baby to arrive, Cody has kept busy penning Showtime’s United States of Tara.